/* roulang page: index */
:root {
  --primary: #007A87;
  --primary-dark: #00616C;
  --accent: #E4573D;
  --accent-dark: #C93E28;
  --bg: #F4F8FA;
  --white: #FFFFFF;
  --dark: #1F2C32;
  --gray: #5B707A;
  --line: #DCE7EC;
  --deep: #153239;
  --deep-2: #10282F;
  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 22px;
  --shadow: 0 8px 24px rgba(21,50,57,.06);
  --shadow-lg: 0 14px 30px rgba(21,50,57,.08);
  --transition: .2s ease;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",-apple-system,sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: var(--dark);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--primary-dark); }
button { font-family: inherit; cursor: pointer; }
input, textarea { font-family: inherit; }
h1, h2, h3, h4 { color: var(--dark); font-weight: 600; line-height: 1.35; }
.container { max-width: 1200px; margin: 0 auto; width: 100%; }
.text-center { text-align: center; }
.relative { position: relative; }
section { scroll-margin-top: 88px; }

/* ---------- 顶部导航 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--dark);
  display: inline-flex;
  align-items: baseline;
  line-height: 1.2;
  text-decoration: none;
}
.brand strong { font-weight: 700; color: var(--dark); }
.brand span { color: var(--primary); font-weight: 300; font-size: .88em; margin-left: 2px; }
.logo-sub { display: inline-block; font-size: .68rem; background: var(--bg); color: var(--gray); border: 1px solid var(--line); border-radius: 999px; padding: 2px 8px; margin-left: 10px; font-weight: 400; }
.main-nav { display: flex; align-items: center; gap: 36px; }
.nav-link {
  position: relative;
  display: inline-block;
  padding: 24px 0 22px;
  color: var(--gray);
  font-size: .95rem;
  letter-spacing: .02em;
  text-decoration: none;
  transition: color var(--transition);
}
.nav-link:hover { color: var(--primary); }
.nav-link.active { color: var(--dark); font-weight: 600; }
.nav-link.active::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 14px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--primary);
  transform: translateX(-50%);
}
.nav-outside {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--line);
  padding: 8px 18px;
  border-radius: 999px;
  color: var(--dark);
  font-size: .9rem;
  transition: all var(--transition);
  background: var(--white);
}
.nav-outside:hover { border-color: var(--primary); color: var(--primary); }
.menu-toggle {
  display: none;
  background: none;
  border: 0;
  width: 42px;
  height: 42px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border-radius: var(--radius-sm);
}
.menu-toggle span { width: 24px; height: 2px; background: var(--dark); display: block; transition: all .25s; }
.menu-toggle.open span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.menu-toggle.open span:nth-child(2) { opacity: 0; }
.menu-toggle.open span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }
.mobile-panel {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 45;
  background: rgba(244,248,250,.98);
  padding: 110px 32px 32px;
  flex-direction: column;
  gap: 8px;
}
.mobile-panel.open { display: flex; }
.mobile-panel a {
  font-size: 1.4rem;
  color: var(--dark);
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
}
.mobile-panel a.active { color: var(--primary); font-weight: 600; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  background:
    linear-gradient(105deg, rgba(21,50,57,.95) 0%, rgba(21,50,57,.82) 42%, rgba(21,50,57,.28) 72%, rgba(21,50,57,0) 100%),
    url('/assets/images/backpic/back-1.webp') right center / cover no-repeat;
  color: var(--white);
  padding: 112px 0 100px;
}
.hero-content { position: relative; z-index: 2; }
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 999px;
  padding: 6px 16px;
  font-size: .85rem;
  letter-spacing: .05em;
  margin-bottom: 28px;
}
.hero-eyebrow i { color: var(--accent); }
.hero h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  color: var(--white);
  font-weight: 700;
  line-height: 1.32;
  max-width: 760px;
  letter-spacing: .01em;
  margin-bottom: 22px;
}
.hero-sub {
  font-size: 1.08rem;
  color: rgba(230,240,244,.9);
  max-width: 620px;
  line-height: 1.85;
  margin-bottom: 34px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 18px; align-items: center; margin-bottom: 36px; }
.btn { display: inline-flex; align-items: center; gap: 10px; border-radius: 10px; font-size: .96rem; font-weight: 600; padding: 14px 28px; transition: all .25s; border: 0; text-decoration: none; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dark); color: #fff; transform: translateY(-2px); box-shadow: 0 12px 24px rgba(228,87,61,.28); }
.btn-outline-light {
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.4);
  color: var(--white);
  backdrop-filter: blur(4px);
}
.btn-outline-light:hover { background: rgba(255,255,255,.2); color: var(--white); transform: translateY(-2px); }
.btn-dark { background: var(--deep); color: var(--white); }
.btn-dark:hover { background: var(--primary); color: var(--white); }
.hero-stats { display: flex; flex-wrap: wrap; gap: 44px; border-top: 1px solid rgba(255,255,255,.22); padding-top: 24px; }
.hero-stat strong { display: block; font-size: 1.7rem; font-weight: 700; color: var(--white); line-height: 1.2; }
.hero-stat span { font-size: .85rem; color: rgba(220,236,241,.78); }
.hero-art { position: relative; z-index: 2; }
.hero-card {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 22px 60px rgba(15,40,48,.45);
  transform: rotate(1.5deg);
}
.hero-card::after {
  content: "";
  display: block;
  padding-bottom: 120%;
}
.hero-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.hero-card-caption {
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 18px;
  background: rgba(21,50,57,.72);
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 14px;
  padding: 14px 16px;
  color: var(--white);
  font-size: .9rem;
  line-height: 1.6;
  backdrop-filter: blur(6px);
}
.hero-card-caption strong { font-size: 1.05rem; display: block; }
.hero-float-tag {
  position: absolute;
  top: 22px;
  right: -6px;
  background: var(--accent);
  color: #fff;
  font-size: .85rem;
  padding: 8px 18px;
  border-radius: 999px;
  box-shadow: 0 8px 20px rgba(228,87,61,.4);
  z-index: 3;
}

/* ---------- 公用区块 ---------- */
.section-block { padding: 92px 0; }
.section-block.tinted { background: var(--bg); }
.section-block.white { background: var(--white); }
.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 14px;
}
.eyebrow::before { content: ""; width: 22px; height: 1px; background: var(--primary); flex: 0 0 22px; }
.eyebrow.center { justify-content: center; }
.eyebrow.center::after { content: ""; width: 22px; height: 1px; background: var(--primary); }
.section-title { font-size: clamp(1.65rem, 2.8vw, 2.25rem); line-height: 1.4; margin-bottom: 16px; }
.section-sub { color: var(--gray); line-height: 1.8; max-width: 760px; }
.section-head { margin-bottom: 56px; }
a.arrow-link { display: inline-flex; align-items: center; gap: 8px; color: var(--primary); font-weight: 600; text-decoration: none; }
a.arrow-link:hover { color: var(--accent); }
a.arrow-link i { transition: transform .2s; }
a.arrow-link:hover i { transform: translateX(4px); }

/* ---------- 栏目列表 ---------- */
.content-map { display: flex; flex-direction: column; border-top: 1px solid var(--line); }
.map-row {
  display: grid;
  grid-template-columns: 56px 190px minmax(0, 1fr) 44px;
  gap: 24px;
  align-items: center;
  padding: 26px 10px 26px 0;
  border-bottom: 1px solid var(--line);
  transition: padding .25s, background .25s;
  text-decoration: none;
  color: inherit;
}
.map-row:hover { background: #F8FCFD; padding-left: 18px; padding-right: 8px; }
.map-index { font-family: Inter,Arial,sans-serif; font-size: .9rem; color: var(--primary); display: flex; align-items: center; gap: 12px; }
.map-index::after { content: ""; width: 22px; height: 1px; background: var(--line); }
.map-name { font-size: 1.12rem; font-weight: 600; color: var(--dark); }
.map-desc { color: var(--gray); font-size: .96rem; line-height: 1.7; }
.map-arrow {
  width: 38px;
  height: 38px;
  border: 1px solid var(--line);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  transition: all .25s;
}
.map-row:hover .map-arrow { background: var(--primary); border-color: var(--primary); color: #fff; }

/* ---------- 数据带 ---------- */
.data-band {
  background: var(--deep);
  position: relative;
  overflow: hidden;
}
.data-band::before {
  content: "";
  position: absolute;
  left: 12%;
  top: -160px;
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, rgba(255,255,255,.08), transparent 62%);
}
.data-inner { padding: 74px 0; position: relative; z-index: 2; }
.data-head h2 { color: var(--white); }
.data-head p { color: rgba(220,236,241,.72); }
.data-grid { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 24px; }
.data-item { text-align: center; padding: 32px 10px; position: relative; }
.data-item + .data-item::before { content: ""; position: absolute; left: 0; top: 28%; height: 44%; width: 1px; background: rgba(255,255,255,.14); }
.data-item strong { display: block; font-size: 2.8rem; color: #fff; font-weight: 700; line-height: 1.2; margin-bottom: 6px; }
.data-item strong small { font-size: 1rem; font-weight: 400; color: #A5D7DF; margin-left: 4px; }
.data-item span { font-size: .92rem; color: rgba(220,236,241,.76); }

/* ---------- 场景区 ---------- */
.scene-tag { display: inline-flex; align-items: center; gap: 8px; font-size: .8rem; background: rgba(255,255,255,.16); color: #fff; padding: 4px 12px; border-radius: 999px; }
.scene-overlay { position: absolute; inset: 0; display: flex; flex-direction: column; justify-content: flex-end; padding: 28px; background: linear-gradient(180deg, transparent 50%, rgba(15,40,48,.92)); border-radius: var(--radius); }
.scene-overlay h3 { color: #fff; font-size: 1.4rem; margin-bottom: 8px; }
.scene-overlay p { color: rgba(235,245,248,.88); font-size: .94rem; max-width: 600px; }
.scene-main-img { position: relative; border-radius: var(--radius); overflow: hidden; min-height: 440px; }
.scene-main-img img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.scene-side-stack { display: flex; flex-direction: column; gap: 22px; height: 100%; }
.scene-side-item { position: relative; border-radius: var(--radius); overflow: hidden; flex: 1; min-height: 205px; }
.scene-side-item img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.scene-side-overlay { position: absolute; inset: 0; display: flex; flex-direction: column; justify-content: flex-end; padding: 22px; background: linear-gradient(180deg, transparent, rgba(15,40,48,.88)); }
.scene-side-overlay h3 { color: #fff; font-size: 1.15rem; margin-bottom: 4px; }
.scene-side-overlay span { color: rgba(230,243,247,.8); font-size: .88rem; }

/* ---------- 流程 ---------- */
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; margin-top: 42px; }
.process-step { position: relative; padding-top: 28px; border-top: 1px solid var(--line); }
.process-step::before { content: ""; position: absolute; top: -5px; left: 0; width: 10px; height: 10px; background: var(--primary); border-radius: 50%; }
.process-step .step-no { font-family: Inter,Arial,sans-serif; font-size: .85rem; color: var(--primary); font-weight: 600; letter-spacing: .08em; }
.process-step h3 { margin-top: 10px; font-size: 1.1rem; }
.process-step p { color: var(--gray); font-size: .94rem; margin-top: 8px; line-height: 1.7; }

/* ---------- 最新动态 ---------- */
.latest-section { background: #EAF2F5; padding: 92px 0; }
.latest-list { border-top: 1px solid var(--line); }
.news-row {
  background: var(--white);
  border-bottom: 1px solid var(--line);
  padding: 28px 28px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 28px;
  align-items: center;
  transition: background .2s, border-color .2s, box-shadow .2s;
  border-left: 3px solid transparent;
}
.news-row + .news-row { border-top: 0; }
.news-row:hover { background: #fff; border-left-color: var(--accent); box-shadow: 0 10px 28px rgba(21,50,57,.05); }
.news-row-header { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-bottom: 8px; }
.news-badge { display: inline-block; font-size: .78rem; color: var(--primary); background: rgba(0,122,135,.08); border: 1px solid rgba(0,122,135,.2); padding: 2px 12px; border-radius: 999px; }
.news-date { font-size: .82rem; color: var(--gray); display: inline-flex; align-items: center; gap: 6px; }
.news-row h3 { font-size: 1.1rem; font-weight: 600; margin-bottom: 8px; }
.news-row h3 a { color: var(--dark); text-decoration: none; }
.news-row h3 a:hover { color: var(--primary); }
.news-excerpt { color: var(--gray); line-height: 1.7; font-size: .96rem; }
.news-read { white-space: nowrap; display: inline-flex; align-items: center; gap: 8px; color: var(--primary); font-weight: 600; }
.empty-state { border-top: 1px solid var(--line); background: var(--white); padding: 70px 20px; text-align: center; border-radius: 0 0 var(--radius) var(--radius); }
.empty-state .puck { width: 46px; height: 46px; margin: 0 auto 14px; border-radius: 50%; background: radial-gradient(circle at 32% 28%, #A8DCE2, var(--primary) 55%, var(--dark)); border: 5px solid rgba(0,122,135,.2); }
.empty-state p { color: var(--gray); }
.latest-more { margin-top: 36px; text-align: center; }

/* ---------- FAQ ---------- */
.faq-panel { border-bottom: 1px solid var(--line); }
.faq-guide { position: sticky; top: 110px; }
.faq-item { border-top: 1px solid var(--line); }
.faq-q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  background: none;
  border: 0;
  padding: 22px 8px 22px 0;
  text-align: left;
  font-size: 1rem;
  font-weight: 600;
  color: var(--dark);
  transition: color .2s;
}
.faq-q:hover { color: var(--primary); }
.faq-q .icon { width: 28px; height: 28px; border: 1px solid var(--line); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: .9rem; color: var(--primary); flex: 0 0 28px; transition: all .3s; }
.faq-item.is-open .faq-q { color: var(--primary); }
.faq-item.is-open .icon { background: var(--primary); border-color: var(--primary); color: #fff; transform: rotate(45deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height .3s ease; }
.faq-answer p { padding: 0 28px 24px 0; color: var(--gray); line-height: 1.85; font-size: .96rem; }

/* ---------- 联系 CTA ---------- */
.contact-cta {
  background:
    linear-gradient(120deg, rgba(15,40,48,.96), rgba(21,50,57,.86)),
    url('/assets/images/backpic/back-3.webp') center / cover no-repeat;
  color: #fff;
  padding: 88px 0;
}
.contact-cta h2 { color: #fff; font-size: clamp(1.7rem, 3vw, 2.3rem); }
.contact-cta p { color: rgba(225,240,244,.82); }
.contact-list { display: flex; flex-direction: column; gap: 18px; margin-top: 16px; }
.contact-line { display: flex; align-items: center; gap: 14px; color: rgba(225,240,244,.88); font-size: .95rem; }
.contact-line i { width: 42px; height: 42px; border: 1px solid rgba(255,255,255,.2); border-radius: 10px; display: flex; align-items: center; justify-content: center; color: #fff; }
.contact-line a { color: #fff; }
.contact-line a:hover { color: #A5D7DF; }

/* ---------- 页脚 ---------- */
.footer { background: var(--deep); color: rgba(225,240,244,.78); padding: 74px 0 0; }
.footer-inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 48px; padding-bottom: 50px; border-bottom: 1px solid rgba(255,255,255,.1); }
.footer-brand { max-width: 340px; }
.footer-brand .brand { color: #fff; }
.footer-brand .brand span { color: #A5D7DF; }
.footer-brand p { margin-top: 18px; font-size: .92rem; line-height: 1.8; }
.footer-nav-col h4, .footer-info-col h4 { color: #fff; font-size: .95rem; margin-bottom: 18px; letter-spacing: .05em; }
.footer-nav-col a { display: block; color: rgba(225,240,244,.78); padding: 6px 0; text-decoration: none; font-size: .9rem; }
.footer-nav-col a:hover { color: #A5D7DF; }
.footer-info-col p { margin-bottom: 8px; font-size: .9rem; display: flex; gap: 8px; align-items: center; }
.footer-copy { padding: 26px 0 30px; display: flex; justify-content: space-between; gap: 10px; flex-wrap: wrap; font-size: .84rem; color: rgba(210,230,235,.6); }
.footer-copy a { color: rgba(210,230,235,.75); }
.footer-copy a:hover { color: #fff; }

/* ---------- 响应式 ---------- */
@media (max-width: 900px) {
  .main-nav { display: none; }
  .menu-toggle { display: flex; }
  .section-block { padding: 66px 0; }
  .hero { padding: 76px 0; }
  .hero-art { margin-top: 46px; }
  .hero-card { max-width: 520px; }
  .map-row { grid-template-columns: 34px 1fr 20px; gap: 16px; }
  .map-desc { grid-column: 2 / -1; }
  .data-grid { grid-template-columns: 1fr 1fr; gap: 4px 0; }
  .data-item:nth-child(2)::before { display: none; }
  .data-item:nth-child(even)::before { display: none; }
  .process-grid { grid-template-columns: 1fr 1fr; gap: 40px 26px; }
  .news-row { grid-template-columns: 1fr; }
  .news-read { margin-top: 6px; }
}
@media (max-width: 640px) {
  body { font-size: 15px; }
  .hero h1 { font-size: 1.8rem; }
  .hero-sub { font-size: 1rem; margin-bottom: 24px; }
  .hero-actions { flex-direction: column; align-items: flex-start; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .hero-stats { gap: 24px; }
  .section-title { font-size: 1.5rem; }
  .map-row { padding: 22px 0; }
  .map-name { font-size: 1rem; }
  .process-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-inner { flex-direction: column; gap: 32px; }
  .contact-cta { padding: 60px 0; }
  .contact-line { flex-wrap: wrap; }
  .data-item { padding: 20px 8px; }
  .data-item strong { font-size: 2.2rem; }
}

/* roulang page: article */
:root {
  --primary: #007A87;
  --primary-dark: #00626D;
  --primary-light: rgba(0, 122, 135, 0.08);
  --accent: #E4573D;
  --accent-dark: #C9402A;
  --bg-light: #F4F8FA;
  --bg-card: #FFFFFF;
  --bg-deep: #153239;
  --text-main: #1F2C32;
  --text-secondary: #5B707A;
  --text-light: #8AA0AA;
  --border: #DCE7EC;
  --border-light: #EAF1F4;
  --radius-lg: 14px;
  --radius-md: 10px;
  --radius-sm: 8px;
  --radius-pill: 20px;
  --shadow-sm: 0 4px 12px rgba(21,50,57,0.05);
  --shadow-md: 0 8px 24px rgba(21,50,57,0.06);
  --shadow-lg: 0 14px 30px rgba(21,50,57,0.10);
  --font-cn: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", sans-serif;
  --font-en: "Inter", Arial, sans-serif;
  --transition: all 0.25s ease;
  --section-padding: 72px 0;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-cn);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text-main);
  background: var(--bg-light);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: var(--transition); }
ul, ol { list-style: none; }
button, input, textarea { font-family: inherit; font-size: inherit; line-height: inherit; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.container-sm { max-width: 780px; margin: 0 auto; padding: 0 24px; }

/* Header */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-light);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 74px;
}
.brand-link {
  font-size: 22px;
  font-weight: 600;
  color: var(--text-main);
  letter-spacing: 0.02em;
  display: flex;
  align-items: center;
  gap: 8px;
  line-height: 1.2;
}
.brand-link .brand-name { font-weight: 600; }
.brand-link .brand-sub {
  color: var(--primary);
  font-weight: 400;
}

.main-nav { display: flex; align-items: center; gap: 36px; }
.main-nav .nav-link {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 6px 2px;
  position: relative;
  line-height: 1.4;
}
.main-nav .nav-link:hover { color: var(--primary); }
.main-nav .nav-link.active { color: var(--primary); font-weight: 600; }
.main-nav .nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
}
.burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 42px;
  height: 42px;
  background: transparent;
  border: none;
  cursor: pointer;
  z-index: 200;
  padding: 0;
}
.burger span {
  width: 24px;
  height: 2px;
  background: var(--text-main);
  display: block;
  margin: 0 auto;
  transition: var(--transition);
  border-radius: 2px;
}
.burger.open span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.burger.open span:nth-child(2) { transform: scaleX(0); opacity: 0; }
.burger.open span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

@media (max-width: 900px) {
  .burger { display: flex; }
  .main-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 78%;
    max-width: 380px;
    height: 100vh;
    background: var(--bg-card);
    flex-direction: column;
    justify-content: flex-start;
    align-items: flex-start;
    padding: 90px 40px 40px;
    gap: 4px;
    transition: right 0.3s ease;
    box-shadow: -10px 0 30px rgba(21,50,57,0.08);
    z-index: 150;
  }
  .main-nav.open { right: 0; }
  .main-nav .nav-link {
    width: 100%;
    font-size: 20px;
    font-weight: 500;
    color: var(--text-secondary);
    padding: 15px 0;
    border-bottom: 1px solid var(--border-light);
  }
  .main-nav .nav-link.active { color: var(--primary); }
  .main-nav .nav-link.active::after { display: none; }
  .main-nav .dropdown-wrap { width: 100%; }
  .main-nav .dropdown-toggle {
    width: 100%;
    font-size: 20px;
    font-weight: 500;
    padding: 15px 0;
    border-bottom: 1px solid var(--border-light);
    background: transparent;
    border-left: none;
    border-right: none;
    border-top: none;
    text-align: left;
    color: var(--text-secondary);
    cursor: pointer;
  }
  .main-nav .dropdown-panel {
    display: none;
    width: 100%;
    padding: 0 0 8px 16px;
  }
  .main-nav .dropdown-panel a {
    display: block;
    padding: 12px 16px;
    font-size: 15px;
    color: var(--text-secondary);
    border-left: 2px solid var(--border);
  }
  .main-nav .dropdown-panel a:hover {
    background: var(--primary-light);
    color: var(--primary);
  }
}

/* Breadcrumb */
.breadcrumb-bar {
  padding: 24px 0 0;
  background: var(--bg-light);
}
.breadcrumb-bar-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text-secondary);
}
.breadcrumb-bar a { color: var(--text-secondary); }
.breadcrumb-bar a:hover { color: var(--primary); }
.breadcrumb-bar .sep { color: var(--text-light); }

/* Article Hero */
.article-hero {
  padding: 40px 0 24px;
}
.article-hero .container-sm {
  text-align: left;
}
.article-hero h1 {
  font-size: 40px;
  line-height: 1.5;
  font-weight: 650;
  color: var(--text-main);
  word-break: break-word;
  margin-top: 0;
  letter-spacing: 0.01em;
}
.article-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
  margin-top: 22px;
  color: var(--text-secondary);
  font-size: 14px;
}
.article-meta .meta-item {
  display: flex;
  align-items: center;
  gap: 7px;
}
.article-meta .meta-item i {
  color: var(--primary);
  font-size: 13px;
}
.article-meta .meta-cat {
  background: var(--primary-light);
  color: var(--primary);
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  font-weight: 500;
  font-size: 13px;
}
.article-divider {
  width: 100%;
  height: 1px;
  background: var(--border-light);
  margin: 30px 0;
}

/* Article body */
.article-wrapper {
  padding: 0 0 70px;
}
.article-layout {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  gap: 36px;
}
.article-main {
  flex: 0 0 100%;
  max-width: 100%;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-sm);
}
.article-body {
  font-size: 17px;
  line-height: 1.9;
  color: var(--text-main);
  overflow-wrap: break-word;
}
.article-body p {
  margin-bottom: 1.6em;
}
.article-body h1,
.article-body h2,
.article-body h3 {
  line-height: 1.5;
  color: var(--text-main);
  margin-top: 2em;
  margin-bottom: 1em;
  word-break: break-word;
}
.article-body h2 {
  font-size: 25px;
  font-weight: 600;
  position: relative;
  padding-bottom: 12px;
}
.article-body h2::before {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 52px;
  height: 4px;
  background: var(--primary);
  border-radius: 2px;
}
.article-body h3 {
  font-size: 21px;
  font-weight: 600;
  color: var(--primary-dark);
}
.article-body a {
  color: var(--primary);
  border-bottom: 1px solid var(--primary);
}
.article-body a:hover { color: var(--accent); }
.article-body img {
  border-radius: var(--radius-md);
  margin: 1.8em 0;
}
.article-body blockquote {
  position: relative;
  margin: 2em 0;
  padding: 20px 24px;
  background: var(--primary-light);
  border-left: 4px solid var(--primary);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  color: var(--text-main);
}
.article-body ul {
  margin: 1.4em 0;
  padding-left: 0;
}
.article-body ul li {
  position: relative;
  padding-left: 26px;
  margin-bottom: 12px;
  line-height: 1.8;
}
.article-body ul li::before {
  content: '';
  position: absolute;
  left: 4px;
  top: 12px;
  width: 8px;
  height: 8px;
  background: var(--primary);
  border-radius: 50%;
}
.article-body .table-wrap {
  overflow-x: auto;
  margin: 2em 0;
}
.article-body table {
  width: 100%;
  border-collapse: collapse;
  border: 1px solid var(--border);
  font-size: 15px;
}
.article-body table th {
  background: var(--primary);
  color: #fff;
  font-weight: 500;
  padding: 14px 16px;
  text-align: left;
}
.article-body table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-light);
}

/* Article footer area */
.article-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 44px;
  padding-top: 28px;
  border-top: 1px solid var(--border-light);
}
.article-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  color: var(--primary);
  background: var(--primary-light);
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-weight: 500;
  transition: var(--transition);
}
.article-back:hover {
  background: rgba(0, 122, 135, 0.16);
  color: var(--primary-dark);
  transform: translateX(-3px);
}
.article-share {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-secondary);
  font-size: 14px;
}
.article-share a {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  background: #fff;
}
.article-share a:hover {
  border-color: var(--primary);
  color: var(--primary);
}

/* Related */
.related-section {
  padding: 48px 0 40px;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}
.related-inner { padding: 0 24px; }
.related-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}
.related-header h2 {
  font-size: 22px;
  font-weight: 600;
  color: var(--text-main);
  margin: 0;
}
.related-list { border-top: 1px solid var(--border-light); }
.related-list li { border-bottom: 1px solid var(--border-light); }
.related-list a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  color: var(--text-main);
}
.related-list a:hover { color: var(--primary); }
.related-list .related-thumb {
  width: 72px;
  height: 52px;
  border-radius: 6px;
  overflow: hidden;
  flex-shrink: 0;
  background: var(--bg-light);
}
.related-list .related-thumb img { width: 100%; height: 100%; object-fit: cover; }
.related-list .related-title { flex: 1; margin: 0 16px; }

/* CTA */
.cta-section {
  padding: 70px 0;
  background: var(--bg-deep);
  position: relative;
  overflow: hidden;
}
.cta-section::before{
  content: '';
  position: absolute;
  right: -120px;
  top: -160px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(0,122,135,0.18) 0%, transparent 65%);
  pointer-events: none;
}
.cta-inner {
  max-width: 980px;
  margin: 0 auto;
  text-align: center;
  padding: 0 24px;
  position: relative;
  z-index: 2;
}
.cta-inner h2 {
  color: var(--bg-card);
  font-size: 30px;
  font-weight: 600;
  margin-bottom: 16px;
  letter-spacing: 0.02em;
}
.cta-inner p {
  color: rgba(255,255,255,0.72);
  font-size: 16px;
  margin: 0 auto 32px;
  max-width: 620px;
  line-height: 1.8;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: var(--radius-sm);
  font-size: 16px;
  font-weight: 500;
  border: none;
  cursor: pointer;
  padding: 14px 34px;
  transition: var(--transition);
  text-align: center;
}
.btn-accent {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 6px 20px rgba(228, 87, 61, 0.22);
}
.btn-accent:hover {
  background: var(--accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 12px 26px rgba(228, 87, 61, 0.28);
  color: #fff;
}
.btn-ghost-light {
  background: transparent;
  color: rgba(255,255,255,0.9);
  border: 1.5px solid rgba(255,255,255,0.4);
  padding: 12px 30px;
}
.btn-ghost-light:hover {
  border-color: #fff;
  background: rgba(255,255,255,0.08);
  color: #fff;
  transform: translateY(-2px);
}
.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

@media (max-width: 520px) {
  .cta-inner h2 { font-size: 24px; }
  .btn { width: 100%; }
  .cta-actions { flex-direction: column; align-items: stretch; }
}

/* Footer */
.footer {
  background: var(--bg-deep);
  color: rgba(255,255,255,0.75);
  padding: 70px 0 0;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 46px;
}
.footer-brand { flex: 1 1 300px; max-width: 400px; }
.footer-brand .brand-link {
  color: #fff;
  font-size: 23px;
  margin-bottom: 15px;
  display: inline-flex;
}
.footer-brand .brand-link .brand-sub { color: #58A6AF; }
.footer-brand p {
  font-size: 15px;
  line-height: 1.8;
  opacity: 0.85;
  margin: 0;
}
.footer-nav-col, .footer-info-col {
  flex: 1 1 200px;
}
.footer h4 {
  font-size: 17px;
  color: #fff;
  font-weight: 600;
  margin-bottom: 18px;
}
.footer-nav-col a {
  display: block;
  color: rgba(255,255,255,0.65);
  padding: 7px 0;
  font-size: 15px;
  transition: var(--transition);
}
.footer-nav-col a:hover { color: #fff; padding-left: 6px; }
.footer-info-col p {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 7px 0;
  font-size: 15px;
  opacity: 0.8;
  margin: 0;
}
.footer-info-col p i { color: #58A6AF; width: 18px; text-align: center; }
.footer-copy {
  max-width: 1200px;
  margin: 0 auto;
  padding: 26px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  border-top: 1px solid rgba(255,255,255,0.08);
  font-size: 14px;
  color: rgba(255,255,255,0.45);
}
.footer-copy a {
  color: rgba(255,255,255,0.65);
}
.footer-copy a:hover { color: #fff; }

@media (max-width: 640px) {
  .footer-inner { flex-direction: column; padding: 0 28px; }
  .footer-copy { flex-direction: column; justify-content: center; text-align: center; }
}

@media (max-width: 760px) {
  .article-hero h1 { font-size: 30px; }
  .article-main { padding: 26px 18px; }
  .article-met { flex-wrap: wrap; gap: 10px; }
  .related-list a { flex-direction: row; }
  .article-wrapper { padding-bottom: 60px; }
  .breadcrumb-inner { padding: 0 18px; }
}

@media (max-width: 900px) {
  .article-layout { flex-direction: column; gap: 20px; }
  .article-main { max-width: 100%; }
}

/* roulang page: category1 */
:root {
  --ice: #007A87;
  --ice-deep: #045E68;
  --ice-soft: #E5F2F4;
  --flame: #E4573D;
  --bg: #F4F8FA;
  --card: #FFFFFF;
  --ink: #1F2C32;
  --ink-soft: #5B707A;
  --line: #DCE7EC;
  --deep: #153239;
  --radius-lg: 14px;
  --radius-md: 10px;
  --radius-sm: 8px;
  --shadow-sm: 0 8px 24px rgba(21, 50, 57, 0.06);
  --shadow-md: 0 14px 30px rgba(21, 50, 57, 0.09);
  --cn: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--cn);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease;
}

button {
  font-family: inherit;
  border: none;
  background: none;
  cursor: pointer;
}

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

p,
h1,
h2,
h3,
h4 {
  margin: 0 0 18px;
}

h1,
h2,
h3 {
  color: var(--ink);
  font-weight: 600;
}

h1 {
  font-size: 42px;
  line-height: 1.25;
}

h2 {
  font-size: 30px;
  line-height: 1.35;
  letter-spacing: -0.01em;
}

h3 {
  font-size: 20px;
  line-height: 1.4;
}

.grid-container {
  max-width: 1200px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  font-weight: 600;
  color: var(--ice);
  letter-spacing: 0.06em;
  margin-bottom: 14px;
}

.eyebrow::before {
  content: "";
  width: 20px;
  height: 2px;
  background: var(--ice);
  border-radius: 2px;
}

.section-muted {
  background: var(--ice-soft);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 80;
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(8px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
}

.brand {
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ink);
  display: inline-flex;
  align-items: baseline;
}

.brand span {
  color: var(--ice);
  font-weight: 500;
  margin-left: 2px;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-link {
  position: relative;
  font-size: 15px;
  font-weight: 500;
  color: var(--ink-soft);
  padding: 10px 2px;
  transition: color 0.2s ease;
}

.nav-link:hover {
  color: var(--ice);
}

.nav-link.active {
  color: var(--ink);
  font-weight: 600;
}

.nav-link.active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  background: var(--flame);
  border-radius: 2px;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 7px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: #fff;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

/* Page Hero */
.page-head {
  position: relative;
  padding: 96px 0 88px;
  background:
    linear-gradient(100deg, rgba(21, 50, 57, 0.94) 10%, rgba(21, 50, 57, 0.62) 70%, rgba(21, 50, 57, 0.45) 100%),
    url("/assets/images/backpic/back-2.png") center 52% / cover no-repeat;
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.page-head::after {
  content: "";
  position: absolute;
  right: -100px;
  bottom: -160px;
  width: 440px;
  height: 440px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 50%;
  pointer-events: none;
}

.page-head .grid-container {
  position: relative;
  z-index: 2;
}

.page-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.72);
  margin-bottom: 36px;
}

.page-breadcrumb a:hover {
  color: #fff;
}

.page-breadcrumb .sep {
  opacity: 0.6;
}

.page-head .eyebrow {
  color: #A9DCE3;
  margin-bottom: 16px;
}

.page-head .eyebrow::before {
  background: #A9DCE3;
}

.page-head h1 {
  color: #fff;
  margin-bottom: 18px;
}

.page-head h1 span {
  color: #F2D9D2;
}

.page-head-note {
  max-width: 640px;
  font-size: 17px;
  line-height: 1.85;
  color: rgba(255, 255, 255, 0.86);
  margin-bottom: 30px;
}

/* Main layout */
.entry-section {
  padding: 80px 0 90px;
}

.entry-main {
  padding-right: 22px;
}

.content-block {
  margin-bottom: 68px;
}

.content-block:last-child {
  margin-bottom: 0;
}

.section-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-sm);
}

.lead-text {
  font-size: 17px;
  line-height: 1.9;
  color: var(--ink-soft);
  margin-bottom: 26px;
}

.lead-text strong {
  color: var(--ice);
  font-weight: 600;
}

/* Features */
.feature-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 26px;
}

.feature-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 20px 22px;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.feature-item:hover {
  transform: translateY(-2px);
  border-color: rgba(0, 122, 135, 0.35);
  box-shadow: var(--shadow-sm);
}

.feature-icon {
  width: 44px;
  height: 44px;
  flex: 0 0 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: var(--ice-soft);
  color: var(--ice);
  font-size: 18px;
}

.feature-item h3 {
  font-size: 17px;
  margin-bottom: 4px;
}

.feature-item p {
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.7;
  margin: 0;
}

/* Season stage */
.stage-wrap {
  position: relative;
  margin-top: 12px;
}

.stage-row {
  position: relative;
  padding: 0 0 0 108px;
  margin-bottom: 34px;
}

.stage-row::before {
  content: "";
  position: absolute;
  left: 28px;
  top: 52px;
  bottom: -34px;
  width: 2px;
  background: var(--line);
}

.stage-row:last-child::before {
  display: none;
}

.stage-num {
  position: absolute;
  left: 0;
  top: 0;
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: var(--ice);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 600;
  box-shadow: 0 6px 14px rgba(0, 122, 135, 0.22);
}

.stage-content {
  background: var(--card);
  border: 1px solid var(--line);
  border-left: 4px solid var(--ice);
  border-radius: var(--radius-md);
  padding: 22px 26px;
  transition: box-shadow 0.22s ease, border-color 0.22s ease;
}

.stage-content:hover {
  box-shadow: var(--shadow-sm);
  border-color: rgba(0, 122, 135, 0.3);
}

.stage-content h3 {
  font-size: 18px;
  margin-bottom: 6px;
}

.stage-content p {
  color: var(--ink-soft);
  font-size: 14.5px;
  line-height: 1.75;
  margin: 0;
}

/* Cards scroller */
.channel-scroll {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  padding: 6px 6px 22px;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
  scrollbar-color: var(--ice) transparent;
}

.channel-scroll::-webkit-scrollbar {
  height: 6px;
}

.channel-scroll::-webkit-scrollbar-track {
  background: var(--line);
  border-radius: 10px;
}

.channel-scroll::-webkit-scrollbar-thumb {
  background: var(--ice);
  border-radius: 10px;
}

.channel-card {
  flex: 0 0 268px;
  scroll-snap-align: start;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.channel-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.channel-fig {
  height: 148px;
  overflow: hidden;
  position: relative;
}

.channel-fig img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.channel-card:hover .channel-fig img {
  transform: scale(1.04);
}

.channel-tag {
  position: absolute;
  top: 12px;
  left: 12px;
  font-size: 12px;
  padding: 3px 12px;
  border-radius: 20px;
  color: #fff;
  background: rgba(21, 50, 57, 0.78);
  backdrop-filter: blur(3px);
}

.channel-body {
  padding: 20px 18px 22px;
}

.channel-body h3 {
  font-size: 17px;
  margin-bottom: 6px;
}

.channel-body p {
  color: var(--ink-soft);
  font-size: 13.5px;
  line-height: 1.7;
  margin: 0;
}

/* Info forms */
.form-stack {
  display: grid;
  gap: 14px;
}

.form-row {
  display: grid;
  grid-template-columns: 56px 1fr;
  align-items: center;
  gap: 20px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 18px 22px;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.form-row:hover {
  border-color: rgba(0, 122, 135, 0.42);
  background: #f9fcfd;
}

.form-ico {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  background: #fff;
  color: var(--ice);
  border: 1px solid var(--line);
  font-size: 21px;
}

.form-row h3 {
  font-size: 16px;
  margin-bottom: 0;
}

.form-row p {
  font-size: 14px;
  color: var(--ink-soft);
  margin: 4px 0 0;
  line-height: 1.7;
}

/* Latest section */
.latest-block {
  background: var(--card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  padding: 32px;
  box-shadow: var(--shadow-sm);
  border-top: 4px solid var(--flame);
}

.latest-item {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.latest-item:last-child {
  border-bottom: none;
  padding-bottom: 4px;
}

.latest-dot {
  width: 11px;
  height: 11px;
  flex: 0 0 11px;
  border-radius: 50%;
  background: var(--flame);
  margin-top: 10px;
}

.latest-item h3 {
  font-size: 16px;
  margin-bottom: 4px;
}

.latest-item p {
  font-size: 14px;
  color: var(--ink-soft);
  margin-bottom: 0;
  line-height: 1.7;
}

/* FAQ section */
.faq-list {
  border-top: 1px solid var(--line);
}

.faq-item {
  border-bottom: 1px solid var(--line);
}

.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  text-align: left;
  padding: 22px 8px;
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  background: transparent;
  transition: color 0.2s ease;
}

.faq-q:hover {
  color: var(--ice);
}

.faq-q i {
  color: var(--ice);
  font-size: 17px;
  transition: transform 0.28s ease;
  flex: 0 0 22px;
}

.faq-item.is-open .faq-q i {
  transform: rotate(45deg);
}

.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}

.faq-a p {
  padding: 0 30px 24px 8px;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.85;
  margin: 0;
}

/* Anchor sidebar */
.anchor-col {
  position: sticky;
  top: 100px;
}

.anchor-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  margin-bottom: 20px;
}

.anchor-title {
  font-size: 18px;
  font-weight: 600;
  padding: 22px 22px 12px;
  display: flex;
  align-items: center;
  gap: 9px;
}

.anchor-title i {
  color: var(--ice);
}

.anchor-list {
  padding: 0 12px 14px;
}

.anchor-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-soft);
  border-left: 3px solid transparent;
  transition: background 0.18s ease, color 0.18s ease;
}

.anchor-link span {
  font-size: 12px;
  color: var(--ice);
  opacity: 0.65;
  font-weight: 600;
}

.anchor-link:hover {
  background: var(--bg);
  color: var(--ice);
}

.anchor-link.active {
  color: var(--ice);
  border-left-color: var(--flame);
  background: var(--ice-soft);
}

.anchor-contact {
  padding: 4px 18px 18px;
}

.anchor-contact-card {
  background: var(--deep);
  color: #fff;
  border-radius: var(--radius-md);
  padding: 20px;
}

.anchor-contact-card p {
  font-size: 13.5px;
  color: rgba(255, 255, 255, 0.82);
  margin-bottom: 16px;
  line-height: 1.7;
}

.anchor-contact-card a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  color: #fff;
  background: var(--flame);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
}

.anchor-contact-card a:hover {
  background: #c94b35;
}

/* CTA */
.contact-cta {
  background: var(--deep);
  padding: 84px 0 76px;
  color: rgba(255, 255, 255, 0.85);
  background-image: linear-gradient(120deg, rgba(0, 122, 135, 0.18), transparent 66%),
    url("/assets/images/backpic/back-1.webp");
  background-position: center;
  background-size: cover;
}

.contact-cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
  flex-wrap: wrap;
}

.contact-cta-content {
  flex: 1 1 440px;
}

.contact-cta .eyebrow {
  color: #A9DCE3;
}

.contact-cta .eyebrow::before {
  background: #A9DCE3;
}

.contact-cta h2 {
  color: #fff;
  margin-bottom: 14px;
}

.contact-cta p {
  max-width: 560px;
  color: rgba(255, 255, 255, 0.76);
  font-size: 15.5px;
  line-height: 1.9;
  margin-bottom: 0;
}

.contact-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 600;
  padding: 14px 26px;
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
}

.btn-flame {
  background: var(--flame);
  color: #fff;
}

.btn-flame:hover {
  background: #c94b35;
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(228, 87, 61, 0.22);
}

.btn-white {
  background: #fff;
  color: var(--deep);
}

.btn-white:hover {
  background: #eff5f7;
  transform: translateY(-2px);
}

.btn-ghost {
  border: 1px solid rgba(255, 255, 255, 0.32);
  color: #fff;
}

.btn-ghost:hover {
  border-color: #fff;
  color: var(--ice);
  background: rgba(255, 255, 255, 0.08);
}

/* Buttons shared */
.btn-ice {
  background: var(--ice);
  color: #fff;
}

.btn-ice:hover {
  background: var(--ice-deep);
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(0, 122, 135, 0.2);
}

/* Footer */
.footer {
  background: var(--deep);
  padding: 70px 0 0;
  color: rgba(255, 255, 255, 0.78);
  font-size: 14.5px;
}

.footer .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr;
  gap: 56px;
  padding-bottom: 54px;
}

.footer-brand .brand {
  color: #fff;
  font-size: 26px;
  margin-bottom: 16px;
}

.footer-brand .brand span {
  color: #8AD8E2;
}

.footer-brand p {
  font-size: 14.5px;
  line-height: 1.9;
  color: rgba(255, 255, 255, 0.62);
  max-width: 340px;
  margin-bottom: 0;
}

.footer h4 {
  color: #fff;
  font-size: 15px;
  margin-bottom: 16px;
  font-weight: 600;
}

.footer-nav-col,
.footer-info-col {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer a {
  color: rgba(255, 255, 255, 0.66);
}

.footer a:hover {
  color: #fff;
}

.footer-nav-col a {
  width: fit-content;
}

.footer-copy {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding: 22px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.48);
}

.footer-copy a {
  color: rgba(255, 255, 255, 0.72);
}

/* Scroll spacing */
:target {
  scroll-margin-top: 110px;
}

/* Responsive */
@media (max-width: 1023.98px) {
  .nav-toggle {
    display: flex;
  }

  .main-nav {
    position: fixed;
    top: 0;
    right: 0;
    width: 78%;
    max-width: 360px;
    height: 100vh;
    background: #fff;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 84px 34px 40px;
    box-shadow: -12px 0 40px rgba(21, 50, 57, 0.12);
    transform: translateX(100%);
    transition: transform 0.3s ease;
    z-index: 90;
    overflow-y: auto;
  }

  .main-nav.is-open {
    transform: translateX(0);
  }

  .main-nav .nav-link {
    display: block;
    width: 100%;
    font-size: 20px;
    padding: 16px 0;
    border-bottom: 1px solid var(--line);
  }

  .main-nav .nav-link.active::after {
    left: 0;
    top: 50%;
    right: auto;
    bottom: auto;
    width: 3px;
    height: 28px;
    transform: translateY(-50%);
    border-radius: 4px;
  }

  .entry-main {
    padding-right: 0;
  }

  .footer-inner {
    grid-template-columns: 1fr 1fr;
    gap: 34px;
  }
}

@media (max-width: 767.98px) {
  .page-head {
    padding: 64px 0 60px;
  }

  h1 {
    font-size: 30px;
  }

  h2 {
    font-size: 24px;
  }

  .content-block {
    margin-bottom: 48px;
  }

  .section-card {
    padding: 22px 18px;
  }

  .feature-item {
    padding: 16px;
  }

  .stage-row {
    padding-left: 0;
    padding-top: 68px;
  }

  .stage-row::before {
    display: none;
  }

  .stage-num {
    top: 0;
    left: 0;
  }

  .stage-content {
    padding: 18px;
  }

  .channel-card {
    flex-basis: 240px;
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .contact-cta {
    padding: 56px 0;
  }

  .contact-actions .btn {
    width: 100%;
  }
}

@media (max-width: 520px) {
  .header-inner {
    min-height: 64px;
  }

  .brand {
    font-size: 20px;
  }

  .footer .container,
  .grid-container {
    padding-left: 18px;
    padding-right: 18px;
  }

  .page-head-note {
    font-size: 15.5px;
  }

  .anchor-list {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
  }

  .anchor-link {
    border: 1px solid var(--line);
    border-radius: 30px;
    padding: 6px 12px;
    border-left: 1px solid var(--line);
    font-size: 13px;
  }

  .anchor-link.active {
    border-color: var(--ice);
  }

  .footer-copy {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* roulang page: category2 */
:root{
    --primary:#007A87;
    --primary-dark:#0B5963;
    --primary-light:#3FA8B2;
    --accent:#E4573D;
    --page:#F4F8FA;
    --white:#FFFFFF;
    --ink:#1F2C32;
    --muted:#5B707A;
    --line:#DCE7EC;
    --deep:#153239;
    --radius-card:14px;
    --radius-btn:8px;
    --shadow-sm:0 8px 24px rgba(21,50,57,0.06);
    --shadow-md:0 18px 40px rgba(21,50,57,0.12);
    --font-main:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
    --font-en:Inter,Arial,sans-serif;
  }

  *,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
  html{scroll-behavior:smooth;}
  body{
    background:var(--page);
    color:var(--ink);
    font-family:var(--font-main);
    font-size:16px;
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
  }
  a{color:inherit;text-decoration:none;}
  a:hover{color:var(--primary);}
  img{display:block;max-width:100%;}
  ul,ol{list-style:none;}
  button{font-family:inherit;}
  input,textarea{font-family:inherit;}
  ::selection{background:rgba(0,122,135,0.16);}
  :focus-visible{outline:3px solid rgba(0,122,135,0.35);outline-offset:2px;}
  section{scroll-margin-top:96px;}
  #training-main,#faq-section,#latest{scroll-margin-top:120px;}

  .container{
    max-width:1200px;
    margin-inline:auto;
    padding-inline:22px;
    position:relative;
  }

  .site-header{
    position:sticky;
    top:0;
    z-index:120;
    background:rgba(255,255,255,0.94);
    border-bottom:1px solid var(--line);
    backdrop-filter:blur(10px);
    -webkit-backdrop-filter:blur(10px);
  }
  .site-header .container{
    display:flex;
    align-items:center;
    justify-content:space-between;
    height:80px;
    gap:22px;
  }
  .brand{
    font-size:21px;
    font-weight:700;
    color:var(--ink);
    white-space:nowrap;
    line-height:1.2;
  }
  .brand span{
    color:var(--primary);
    font-weight:400;
    margin-left:2px;
  }
  .main-nav{
    display:flex;
    align-items:center;
    gap:38px;
  }
  .nav-link{
    position:relative;
    font-size:15px;
    color:#415964;
    padding:8px 0;
    transition:color .25s ease;
  }
  .nav-link:hover{color:var(--primary);}
  .nav-link.active{color:var(--ink);font-weight:600;}
  .nav-link::after{
    content:"";
    position:absolute;
    left:0;
    right:0;
    bottom:-6px;
    height:2px;
    background:var(--primary);
    transform:scaleX(0);
    transform-origin:left center;
    transition:transform .28s ease;
  }
  .nav-link:hover::after,
  .nav-link.active::after{
    transform:scaleX(1);
  }
  .menu-toggle{
    display:none;
    background:transparent;
    border:0;
    cursor:pointer;
    padding:8px 2px;
    color:var(--ink);
  }
  .menu-bar{
    display:block;
    width:24px;
    height:2px;
    background:currentColor;
    transition:transform .3s ease;
    transform-origin:center;
  }
  .menu-bar + .menu-bar{margin-top:7px;}
  body.menu-open .menu-toggle .menu-bar:first-child{
    transform:translateY(9px) rotate(45deg);
  }
  body.menu-open .menu-toggle .menu-bar:last-child{
    transform:translateY(-1px) rotate(-45deg);
  }

  .eyebrow{
    display:inline-flex;
    align-items:center;
    gap:12px;
    font-size:12px;
    font-weight:600;
    letter-spacing:.12em;
    color:var(--primary);
    text-transform:uppercase;
  }
  .eyebrow::before{
    content:"";
    width:22px;
    height:1px;
    background:var(--primary);
    flex:0 0 auto;
  }

  .category-hero{
    position:relative;
    padding:110px 0 82px;
    border-bottom:1px solid var(--line);
    background:
      linear-gradient(100deg,rgba(244,248,250,0.97) 0%,rgba(244,248,250,0.92) 52%,rgba(21,50,57,0.54) 100%),
      url('/assets/images/backpic/back-3.webp') center / cover no-repeat;
  }
  .category-hero h1{
    font-size:46px;
    line-height:1.2;
    font-weight:700;
    color:var(--ink);
    margin:22px 0 18px;
    letter-spacing:-0.5px;
    max-width:640px;
  }
  .hero-lead{
    font-size:18px;
    line-height:1.9;
    color:#39505A;
    max-width:48rem;
    margin-bottom:12px;
  }
  .hero-actions{
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    gap:18px;
    margin-top:34px;
  }

  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    padding:14px 26px;
    border:1px solid transparent;
    border-radius:var(--radius-btn);
    font-size:15px;
    font-weight:600;
    line-height:1;
    cursor:pointer;
    transition:all .25s ease;
    background:transparent;
  }
  .btn-primary{
    background:var(--accent);
    color:#fff;
    box-shadow:0 8px 20px rgba(228,87,61,0.18);
  }
  .btn-primary:hover{
    background:#C9412C;
    color:#fff;
    transform:translateY(-2px);
    box-shadow:0 12px 26px rgba(228,87,61,0.28);
  }
  .btn-outline{
    border-color:rgba(255,255,255,0.45);
    color:#fff;
  }
  .btn-outline:hover{
    background:#fff;
    color:var(--deep);
    border-color:#fff;
    transform:translateY(-2px);
  }
  .btn-soft{
    background:#fff;
    border:1px solid var(--line);
    color:var(--ink);
  }
  .btn-soft:hover{
    border-color:var(--primary);
    color:var(--primary);
    transform:translateY(-2px);
    box-shadow:var(--shadow-sm);
  }

  .route-section{
    background:var(--white);
    border-bottom:1px solid var(--line);
    padding:40px 0;
  }
  .route-list{
    margin-top:16px;
  }
  .route-row{
    display:grid;
    grid-template-columns:76px 1fr;
    gap:22px;
    align-items:start;
    padding:24px 4px;
    border-top:1px solid var(--line);
  }
  .route-row:last-child{
    border-bottom:1px solid var(--line);
  }
  .route-index{
    font-family:var(--font-en);
    font-size:15px;
    color:var(--primary);
    font-weight:700;
    letter-spacing:.04em;
    padding-top:2px;
  }
  .route-row h3{
    font-size:20px;
    color:var(--ink);
    font-weight:600;
    margin-bottom:4px;
  }
  .route-row p{
    color:var(--muted);
    font-size:15px;
    line-height:1.8;
    max-width:64ch;
  }

  .training-modules{
    background:var(--white);
  }
  .module-section{
    padding:66px 0;
    border-bottom:1px solid var(--line);
    background:var(--white);
  }
  .module-section:nth-of-type(even) .module-media{
    order:1;
  }
  .module-section:nth-of-type(even) .module-copy{
    order:2;
  }
  .module-copy{
    padding:14px 8px;
  }
  .module-copy h3{
    font-size:30px;
    line-height:1.3;
    color:var(--ink);
    margin:12px 0 12px;
    font-weight:700;
  }
  .module-copy p{
    color:var(--muted);
    font-size:16px;
    line-height:1.95;
    max-width:56ch;
  }
  .module-tags{
    display:flex;
    flex-wrap:wrap;
    gap:10px;
    margin-top:24px;
  }
  .tag{
    display:inline-flex;
    align-items:center;
    gap:7px;
    background:#EBF4F5;
    color:var(--primary);
    border:1px solid #CFE6E9;
    padding:7px 14px;
    border-radius:20px;
    font-size:13px;
    font-weight:500;
  }
  .tag i{
    font-size:12px;
    color:var(--primary);
  }
  .module-media{
    padding-bottom:6px;
  }
  .module-media img{
    width:100%;
    aspect-ratio:16/11;
    object-fit:cover;
    border-radius:calc(var(--radius-card) + 2px);
    box-shadow:var(--shadow-sm);
  }
  .media-note{
    font-size:13px;
    color:var(--muted);
    margin-top:10px;
    display:flex;
    align-items:center;
    gap:6px;
  }
  .media-note i{
    color:var(--primary);
  }

  .phase-section{
    position:relative;
    overflow:hidden;
    background:var(--deep);
    color:#D9E6E9;
    padding:96px 0;
  }
  .phase-section::before{
    content:"";
    position:absolute;
    right:-140px;
    top:-140px;
    width:380px;
    height:380px;
    border-radius:50%;
    background:radial-gradient(circle,rgba(0,122,135,0.35),transparent 70%);
    pointer-events:none;
  }
  .phase-section .eyebrow{
    color:#71C6D1;
  }
  .phase-section .eyebrow::before{
    background:#71C6D1;
  }
  .phase-title{
    font-size:32px;
    line-height:1.35;
    color:#fff;
    margin:20px 0 14px;
    font-weight:600;
  }
  .phase-intro{
    color:#b7cdd2;
    max-width:640px;
    font-size:16px;
    line-height:1.9;
    margin-bottom:48px;
  }
  .stage-card{
    background:rgba(255,255,255,0.05);
    border:1px solid rgba(255,255,255,0.14);
    border-radius:var(--radius-card);
    padding:30px 28px;
    height:100%;
    transition:background .3s ease,border-color .3s ease,transform .3s ease;
  }
  .stage-card:hover{
    background:rgba(255,255,255,0.08);
    border-color:rgba(113,198,209,0.6);
    transform:translateY(-4px);
  }
  .stage-num{
    font-family:var(--font-en);
    color:#71C6D1;
    font-size:13px;
    font-weight:700;
    letter-spacing:.14em;
    display:inline-flex;
    align-items:center;
    gap:10px;
  }
  .stage-num::after{
    content:"";
    width:20px;
    height:1px;
    background:rgba(255,255,255,0.28);
  }
  .stage-card h4{
    color:#fff;
    font-size:21px;
    margin:14px 0 14px;
    font-weight:600;
  }
  .stage-list li{
    display:flex;
    gap:9px;
    align-items:flex-start;
    color:#C6D9DE;
    font-size:15px;
    line-height:1.75;
    padding:6px 0;
  }
  .stage-list li i{
    color:#71C6D1;
    font-size:13px;
    margin-top:6px;
  }

  .faq-section{
    background:var(--page);
    padding:92px 0;
    border-bottom:1px solid var(--line);
  }
  .faq-left{
    padding-right:28px;
  }
  .faq-left h3{
    font-size:34px;
    color:var(--ink);
    font-weight:600;
    margin:16px 0 16px;
    line-height:1.28;
  }
  .faq-left p{
    color:var(--muted);
    font-size:16px;
    line-height:1.9;
    max-width:34rem;
  }
  .faq-list{
    border-top:1px solid var(--line);
  }
  .faq-item{
    border-bottom:1px solid var(--line);
  }
  .faq-question{
    width:100%;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:20px;
    background:transparent;
    border:0;
    padding:22px 4px;
    cursor:pointer;
    text-align:left;
    color:var(--ink);
    font-size:17px;
    font-weight:600;
    line-height:1.5;
    transition:color .25s ease;
  }
  .faq-question:hover{
    color:var(--primary);
  }
  .faq-mark{
    flex:0 0 30px;
    width:30px;
    height:30px;
    display:grid;
    place-items:center;
    background:#E4F0F2;
    color:var(--primary);
    border-radius:50%;
    font-size:18px;
    font-weight:400;
    transition:all .3s ease;
  }
  .faq-item.open .faq-mark{
    background:var(--primary);
    color:#fff;
    transform:rotate(45deg);
  }
  .faq-content{
    max-height:0;
    overflow:hidden;
    transition:max-height .45s ease;
  }
  .faq-answer{
    padding:0 52px 0 4px;
    color:var(--muted);
    font-size:15px;
    line-height:1.9;
    opacity:0;
    transform:translateY(-4px);
    transition:opacity .3s ease,transform .3s ease;
  }
  .faq-item.open .faq-answer{
    opacity:1;
    transform:none;
    padding-bottom:24px;
  }

  .update-strip{
    background:#E8F2F5;
    border-bottom:1px solid var(--line);
    padding:44px 0;
  }
  .update-box{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:28px;
    flex-wrap:wrap;
  }
  .update-box .update-icon{
    flex:0 0 52px;
    width:52px;
    height:52px;
    display:grid;
    place-items:center;
    border-radius:14px;
    background:#fff;
    color:var(--primary);
    box-shadow:var(--shadow-sm);
  }
  .update-text{
    flex:1 1 360px;
  }
  .update-text h3{
    font-size:22px;
    margin-bottom:5px;
    color:var(--ink);
  }
  .update-text p{
    color:var(--muted);
    font-size:15px;
  }
  .update-action{
    flex:0 0 auto;
  }

  .contact-section{
    padding:90px 0;
    background:var(--white);
  }
  .contact-card{
    background:#FAFDFC;
    border:1px solid var(--line);
    border-radius:18px;
    box-shadow:var(--shadow-sm);
    padding:52px 48px;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:40px;
    flex-wrap:wrap;
  }
  .contact-copy h3{
    font-size:30px;
    color:var(--ink);
    font-weight:600;
    line-height:1.35;
    margin-bottom:10px;
  }
  .contact-copy p{
    color:var(--muted);
    font-size:16px;
    line-height:1.9;
    max-width:52ch;
  }
  .contact-list{
    display:flex;
    flex-direction:column;
    gap:12px;
    min-width:270px;
  }
  .contact-list a{
    display:flex;
    align-items:center;
    gap:12px;
    font-size:16px;
    color:var(--ink);
    font-weight:500;
    padding:12px 16px;
    background:#fff;
    border:1px solid var(--line);
    border-radius:12px;
    transition:all .25s ease;
  }
  .contact-list a i{
    color:var(--primary);
  }
  .contact-list a:hover{
    border-color:var(--primary);
    color:var(--primary);
    transform:translateX(4px);
    box-shadow:var(--shadow-sm);
  }

  .footer{
    background:var(--deep);
    color:#C1D3D8;
    padding:68px 0 0;
  }
  .footer a{
    color:#C1D3D8;
    transition:color .2s ease;
  }
  .footer a:hover{
    color:#fff;
  }
  .footer-inner{
    display:grid;
    grid-template-columns:1.8fr 1fr 1fr;
    gap:54px;
  }
  .footer .brand{
    color:#fff;
    font-size:24px;
    display:inline-flex;
    align-items:baseline;
    margin-bottom:14px;
  }
  .footer .brand span{
    color:#71C6D1;
  }
  .footer-brand p{
    color:#9DB5BB;
    font-size:15px;
    line-height:1.9;
    max-width:42ch;
  }
  .footer h4{
    color:#fff;
    font-size:15px;
    font-weight:600;
    margin-bottom:18px;
    letter-spacing:.04em;
  }
  .footer-nav-col,
  .footer-info-col{
    display:flex;
    flex-direction:column;
    gap:11px;
    font-size:15px;
  }
  .footer-info-col p{
    display:flex;
    align-items:center;
    gap:8px;
    color:#9DB5BB;
    margin:0;
  }
  .footer-info-col i{
    color:#71C6D1;
    width:18px;
  }
  .footer-copy{
    border-top:1px solid rgba(255,255,255,0.12);
    margin-top:52px;
    padding:20px 0 24px;
    display:flex;
    flex-wrap:wrap;
    gap:10px 26px;
    justify-content:space-between;
    font-size:14px;
    color:#8EA7AE;
  }
  .footer-copy a{
    border-bottom:1px dashed rgba(255,255,255,0.25);
  }

  @media screen and (max-width:1024px){
    .route-row{
      grid-template-columns:66px 1fr;
    }
    .module-section{
      padding:54px 0;
    }
    .module-copy h3{
      font-size:27px;
    }
    .category-hero h1{
      font-size:40px;
    }
    .footer-inner{
      grid-template-columns:1fr 1fr;
      row-gap:36px;
    }
  }

  @media screen and (max-width:900px){
    .menu-toggle{
      display:inline-block;
    }
    .main-nav{
      position:fixed;
      top:80px;
      left:0;
      right:0;
      height:calc(100vh - 80px);
      background:rgba(255,255,255,0.99);
      flex-direction:column;
      align-items:stretch;
      gap:0;
      padding:24px 26px;
      z-index:119;
      transform:translateX(100%);
      transition:transform .3s ease;
      overflow-y:auto;
    }
    body.menu-open .main-nav{
      transform:translateX(0);
      box-shadow:0 20px 40px rgba(21,50,57,0.1);
    }
    .nav-link{
      display:block;
      padding:17px 2px;
      font-size:19px;
      border-bottom:1px solid var(--line);
    }
    .nav-link::after{
      bottom:6px;
      width:28px;
      right:auto;
    }
    body.menu-open{
      overflow:hidden;
    }
    .category-hero{
      padding:76px 0 60px;
      background:
        linear-gradient(180deg,rgba(244,248,250,0.97) 0%,rgba(244,248,250,0.9) 72%,rgba(21,50,57,0.6) 100%),
        url('/assets/images/backpic/back-3.webp') center / cover no-repeat;
    }
    .category-hero h1{
      font-size:34px;
    }
    .hero-lead{
      font-size:16px;
    }
    .module-section .module-media,
    .module-section .module-copy{
      order:0 !important;
    }
    .module-section:nth-of-type(even) .module-media{
      order:0 !important;
    }
    .module-media img{
      aspect-ratio:16/10;
    }
    .phase-section{
      padding:70px 0;
    }
  }

  @media screen and (max-width:640px){
    .container{
      padding-inline:18px;
    }
    .contact-card{
      padding:32px 22px;
    }
    .faq-section{
      padding:64px 0;
    }
    .update-box{
      align-items:flex-start;
    }
  }

  @media screen and (max-width:520px){
    .brand{
      font-size:19px;
    }
    .category-hero{
      padding:65px 0 52px;
    }
    .category-hero h1{
      font-size:29px;
    }
    .hero-actions{
      gap:14px;
      flex-direction:column;
      align-items:flex-start;
    }
    .btn{
      width:100%;
    }
    .btn-text{
      width:auto;
    }
    .route-row{
      grid-template-columns:44px 1fr;
      gap:12px;
      padding:18px 0;
    }
    .route-row h3{
      font-size:18px;
    }
    .module-copy h3{
      font-size:23px;
    }
    .phase-title{
      font-size:26px;
    }
    .stage-card{
      padding:24px 20px;
    }
    .faq-left h3{
      font-size:27px;
    }
    .faq-answer{
      padding:0 0 0 2px;
    }
    .update-box{
      flex-direction:column;
    }
    .update-action{
      width:100%;
    }
    .update-action .btn{
      width:100%;
    }
    .contact-list{
      min-width:100%;
    }
    .footer-inner{
      grid-template-columns:1fr;
      gap:30px;
    }
    .footer-copy{
      flex-direction:column;
      gap:6px;
    }
  }